package com.wenhao.single;

/**
 * @author Wenhao Tong
 * @create 2021-08-20 21:06
 */
public class Holder {
    private static class InnerClass {
        public static final Holder instance = new Holder();
    }

    private Holder() { }

    public Holder getInstance() {
        return InnerClass.instance;
    }
}
